When most people think of solar power, they picture blazing summer days and roofs soaking up endless sunshine. So it’s natural to wonder …does solar actually work in winter?
The short answer is yes! Absolutely. And if you’re a business considering solar, autumn is the best season to start.
A common misconception is that solar panels need hot weather to produce energy. In fact, they work more efficiently in cooler conditions. Solar photovoltaic (PV) systems convert sunlight into electricity, and light intensity matters far more than temperature.
Even on overcast days, panels capture diffused sunlight (the kind that filters through clouds) and convert it into usable power.
So while the days are shorter in winter, your panels are still generating, and they often perform better hour-for-hour than in the height of summer heat.
As we move into autumn, energy demand typically rises due to additional lighting, heating, and longer working hours indoors all adding to the load. Installing solar now means you’ll have your system up and running before peak winter usage hits.
That means:
Plus, many businesses underestimate how long planning and grid approvals can take. Starting in October gives you time to make the switch smoothly, without pressure.
The real game-changer for winter solar performance is battery storage.
With battery systems, your business can store excess electricity generated during bright daytime hours and use it later in the evening, or on cloudy days. That means less reliance on the grid and far more predictable energy costs, even in winter.
Modern storage solutions from partners like Eaton integrate seamlessly with commercial solar, giving you complete control over how and when you use your energy.
Smart businesses are realising that energy independence isn’t seasonal, rather strategic.
By investing in solar before winter, you’re:
Energy prices aren’t going down. But with a well-designed solar and storage system, your business can take control of when and how you use power year-round.
OHM Energy has helped hundreds of businesses transition to solar from independent retailers to large-scale facilities.
We handle everything from design and installation to grid connection and aftercare, so you can focus on your business while we take care of your energy.
If you’ve been waiting for “the right time” to go solar, this is it! The smartest energy decisions are planned in autumn.
Get in touch today to book a free energy assessment and see what your business could save this winter.
Subscribe to the OHM newsletter for exclusive energy incentives and offers.